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VulnerabilityPublished

CVE-2025-55310: Download of Code Without Integrity Check

Source CVE Database V5

0

Not known to be exploited · CVSS 7.3 High · fixed in 2025.2 : patch affected systems soon.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
7.3High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2025.2, 13.2
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

To mitigate CVE-2025-55310, European organizations should implement the following specific measures: 1) Restrict write permissions on directories and files associated with the Foxit PDF and Editor StartPage feature to trusted administrators only, preventing unauthorized modification of static HTML files. 2) Employ file integrity monitoring solutions to detect unauthorized changes to application files and trigger alerts for investigation. 3) Enforce endpoint security best practices, including regular patching of operating systems and applications, to reduce the risk of local compromise. 4) Use application whitelisting to prevent unauthorized executables or scripts from running on endpoints. 5) Monitor for unusual application behavior or network activity that could indicate exploitation attempts. 6) Once patches or updates become available from Foxit, prioritize their deployment across all affected systems. 7) Educate users about the risks of running untrusted software and the importance of reporting suspicious activity. 8) Review and secure software supply chain processes to detect and prevent tampering with application files during distribution or updates.

Description

An issue was discovered in Foxit PDF and Editor for Windows and macOS before 13.2 and 2025 before 2025.2. An attacker able to alter or replace the static HTML files used by the StartPage feature can cause the application to load malicious or compromised content upon startup. This may result in information disclosure, unauthorized data access, or other security impacts.

References

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